Institution
Universitätsbibliothek der Humboldt-Universität zu Berlin
19
Bavarian State Library
17
University Library of Regensburg
11
Zentralbibliothek Zürich
7
Library of the Academy of Sciences of the Czech Republic
6
University of Graz
2
Saxon State and University Library
2
National Library of Sweden - Kungliga biblioteket
1
Bern University Library
1
Research Library Olomouc
1